Finding the Fourth Proportional to 1,160,697,869.30, 1,738,779,322.35 and 699,265,363.70
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Solution
The fourth proportional to 1,160,697,869.30, 1,738,779,322.35 and 699,265,363.70 is: 1,047,531,995.53
Step by Step Solution
- Step 1: Write the proportion equation
1,160,697,869.30 : 1,738,779,322.35 = 699,265,363.70 : x - Step 2: Convert to fraction form
1,160,697,869.30/1,738,779,322.35 = 699,265,363.70/x - Step 3: Cross multiply
1,160,697,869.30x = 1,738,779,322.35 × 699,265,363.70 - Step 4: Simplify right side
1,160,697,869.30x = 1,215,868,155,237,112,320 - Step 5: Solve for x
x = 1,215,868,155,237,112,320/1,160,697,869.30 - Step 6: Final answer
x = 1,047,531,995.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.